<template>
    <div class="nav-bar">


      <div class="left" @click="goback">
          <slot name="left">
            <img src="~assets/images/Left.png" alt="">
          </slot>
      </div>

      <div class="center"> <slot>这是main</slot></div>

      <div class="right"><slot name="right"></slot></div>
    </div>
</template>

<script>
    import {useRouter} from 'vue-router';

    export default {
      name:"NavBar",

      setup(){

        const router = useRouter();

        const goback = () => {
            router.go(-1);
        }

        return {
            goback
        }
      }
    }
</script>
<style scoped>
.nav-bar{
  display: flex;
  //border: 1px solid red;
  background-color: var(--color-tint);
  color: #fff;
  position: fixed;
  left: 0;right: 0;top: 0;
  z-index: 9;
  height: 45px;
  line-height: 45px;
  text-align: center;
  box-shadow: 0 2px 0 rgba(100,100,100,0.1);

}
.left,.right{
  width: 60px;
}
.left img{
  width: 22px;
  height: 12px;
}
.center{
  flex: 1;
}
</style>